An LED panel wired into a PC parallel port, This test is mimicking the on-screen animation of a classic video game.I know there are some missing pixels in the circles, but it was just a quick QBasic program with concentric circles.

The paper towels covering part are to help blend, or mix, the colors from the clear RGB LEDs. I plan to wear thin white clothing over it for this purpose. Flicker on the edges is due to a noisy clock line (clip leads) causing the image to shift..